---
title: Task.Duration1 Property (Project)
ms.prod: project-server
api_name:
- Project.Task.Duration1
ms.assetid: 7123e447-1b2c-7304-3c61-1d3bd5be5af1
ms.date: 06/08/2017
---


# Task.Duration1 Property (Project)

 Gets or sets the value of a task duration custom field. Read/write **Variant**.


## Syntax

 _expression_. **Duration1**

 _expression_ A variable that represents a **Task** object.


